Finding the Third Proportional to 72,367.25 and 103,390.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,367.25 : 103,390.75 = 103,390.75 : x
2. Step 2: Convert to fraction form
   72,367.25/103,390.75 = 103,390.75/x
3. Step 3: Cross multiply
   72,367.25x = 103,390.75 × 103,390.75
4. Step 4: Simplify right side
   72,367.25x = 10,689,647,185.56
5. Step 5: Solve for x
   x = 10,689,647,185.56/72,367.25
6. Step 6: Final answer
   x = 147,713.88